Apr 19, 2013 2:30pm PDT
, at least superficially, to their environment, their friends, school, athletics. there was nothing unusual in their behavior. nothing unusual in their language to suggest that there was the slightest degree of un, hatred, any anti american. anything unusual about them. i am afraid this may signal perhaps another kind of terrorist, similar to what they called grassroots terrorists. they are on assuming. they are assimilated. and we have immigrants that take advantage of the freedoms and liberties year. maybe they were not the way in 2009 and 2010. something may have turned them in the meantime. it is important to figure out what it was. >> ok, now that people are doing the job that he did for so long, the people trying to make america safe, how do you tackle this kind of threat when there's no intelligence beforehand? >> ihink tre totally analytic about this kind of incident when there was no intelligence, no information, no signs. no signs about the individuals. there are only two ways this could have been avoided. had there been signs or were they were apprehended or cancel the marathon.